It muv=1.5230 and muR = 1.5145, then dis...

It `mu_v=1.5230` and `mu_R = 1.5145`, then dispersive power of a crown glass is

0.0164

0.00701

0.0132

0.032

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A crown glass prism of angle 5^@ is to be combined with a flint glass prism in such a way that the mean ray passes undeviated. Find (a) the angle of the flint glass prism needed and (b) the angular dispersion produced by the combination when white light goes through it. Refractive indices for red, yellow and viloet light are 1.514, 1.517 and 1.523 respectively for crown glass and 1.613 1.620 and 1.632 for flint glass.

A flint glass prism and a crown glass prism are to be combined in such a way that the deviation of the mean ray is zero. The refractive index of flint and crown glasses for the mean ray are 1.620 and 1.518 respectively. If the refracting angle of the flint prism is 6.0^@ , what would be the refracting angle of the crown prism ?

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Light is incident from glass (mu = 1.50) to water (mu = 1.33) find the range of the angle of deviation for which there are two angles of incidence.

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The dispersive powers of crown and flint glasses are 0.03 and 0.05 respectively, The refractive indices for yellow light for these glasses are 1.517 and 1.621 respectively. It is desired to from an achromatic combination of prisms of crown and flint glasses which can produce a deviation of 1^@ in the yellow ray. Find the refracting angles of the two prisms needed.

Consider three converging lenses L_1, L_2 and L_3 having identical geometrical construction. The index of refraction of L_1 and L_2 are mu_1 and mu_2 respectively. The upper half of the lens L_3 has a refractive index mu_1 and the lower half has mu_2 . A point object O is imaged at O_1 by the lens L_1 and at O_2 by the lens L_2 placed in same position . If L_3 is placed at the same place.

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